CN110816620A - Push-pull cart with swivel outrigger structure and telescopic swivel cargo block - Google Patents

Abstract

The invention discloses a push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block, comprising an obliquely arranged cargo rack, a pair of main Wheels, a cargo block mounted on the front side of the lower end of the cargo rack, the back side of the cargo rack is also provided with a leg assembly that can be stretched to be supported under the cargo rack or stowed away, the The bottom of the outrigger assembly is provided with a first universal wheel. The present invention can be used not only as a small cart, but also as a small pull cart, and is flexible and convenient to use.

Description

Push-pull cart with swivel outrigger structure and telescopic swivel cargo block

technical field

The invention relates to the technical field of cargo transportation tools, in particular to a push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block.

Background technique

Cargo trolleys and small pull carts have become indispensable cargo transportation tools in people's daily life. Among them, trolleys are easier and labor-saving to transport goods, but they have higher requirements on the road surface, and the ability to overcome obstacles and climb stairs is relatively poor. The small pull cart has a strong ability to overcome obstacles and run stairs, but it is more laborious and has a relatively poor ability to carry goods. Therefore, a push pull cart that can be used as both a small pull cart and a small cart is designed. is very necessary.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the present invention provides a push-pull cart with a swivel wheel outrigger structure and a telescopic swivel-wheel cargo block, so that it can be used as both a trolley and a trolley. Use, flexible and convenient to use.

The invention provides a push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel-wheel cargo block, comprising an obliquely arranged cargo rack, a pair of main a wheel, a cargo block mounted on the front side of the lower end of the cargo rack, the back side of the cargo rack is also provided with a leg assembly that can be stretched to be supported under the cargo rack or stowed away, the The bottom of the outrigger assembly is provided with a first universal wheel.

Further, the outrigger assembly includes a base frame, a sliding frame and a support frame, one end of the base frame is rotatably connected to the lower end of the carrier frame, and the sliding frame is longitudinally slidably installed on the base frame, so The support frame is supported between the load frame and the sliding frame, and both ends of the support frame are hinged to the load frame and the slide frame, respectively.

Further, the bottom frame includes a first connecting section hinged on the lower end of the carrier and a first telescopic section longitudinally telescopically connected with the first connecting section, and the sliding frame is slidably installed on the first telescopic section. part.

Further, the first connecting section has at least two first longitudinal beams, the first telescopic section has at least two second longitudinal beams, and the first longitudinal beams and the second longitudinal beams are telescopically connected in one-to-one correspondence, And the first longitudinal beam and the second longitudinal beam can be locked by a pin shaft passing through the holes on the first longitudinal beam and the second longitudinal beam, and the sliding frame includes a sliding frame sleeved on each of the second longitudinal beams. A sliding sleeve and a connecting beam fixedly installed on each of the sliding sleeves, the support frame includes at least two support rods, the upper end of each support rod is hinged to the carrier, and the lower end of each support rod is hinged on the connecting beam.

Further, a pair of wheel brackets are arranged on the back side of the lower end of the object carrier opposite to left and right, and each of the main wheels is respectively detachably mounted on the corresponding wheel bracket.

Further, the cargo rack includes a second connecting section connected with the outrigger assembly and the cargo block and a second telescopic section longitudinally telescopically connected with the second connecting section, the second telescopic section having at least One expansion joint.

Further, the bottom of each telescopic section of the second telescopic section is provided with an auxiliary handle.

Further, a second universal wheel is installed on the back of the cargo block.

Further, the lower end of the cargo rack is rotatably installed with a plurality of card seats, the edge of the card seat is provided with a card slot, the connecting end of the cargo block is fixed on the card seat, and the lower end of the cargo rack is Corresponding to each of the card seats is provided with a chute, and a lock rod passes through each of the said chute. When the cargo block is rotated and unfolded, the card slot on each card seat is aligned with the corresponding chute, so that the lock rod slides along the chute. into the card slot, and a spring for pulling the lock rod toward the card slot is installed on the card seat.

Further, the cargo block includes a third connecting section connected to the lower end of the cargo rack and a third telescopic section longitudinally telescopically connected with the third connecting section, the third connecting section and the third telescopic section A second universal wheel is installed on the back.

The beneficial effect of the present invention is reflected in that: when in use, the goods are placed on the inclined rack, the lower end of the goods is blocked by the cargo block, the legs can be stowed, and the goods can be easily crossed by carrying the rack to pull the goods. , Climbing stairs, when the cargo on the cargo rack is heavy, it will be very heavy to pull the cargo by hand. When driving on the flat road, the application can also unfold the outriggers. Sliding on the ground, you can easily push and pull away with only forward or backward force, without the need to forcefully lift the load frame. Therefore, the present invention can be used as both a small cart and a small pull cart. Flexible and convenient.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 .

In the drawings: 10 represents the carrier; 11 represents the second connecting section; 12 represents the second telescopic section; 121 represents the expansion joint; 13 represents the auxiliary handle; 20 represents the main wheel; 21 represents the wheel frame; 31 represents the second universal wheel; 32 represents the third connecting segment; 33 represents the third telescopic segment; 40 represents the outrigger assembly; 41 represents the first universal wheel; 42 represents the chassis; 421 represents the first connecting segment; 4211 represents 422 denotes the first telescopic section; 4221 denotes the second longitudinal beam; 43 denotes a sliding frame; 431 denotes a sliding sleeve; 432 denotes a connecting beam; 44 denotes a supporting frame; 441 denotes a supporting rod; Represents the card slot; 52 represents the chute; 53 represents the lock lever; 54 represents the spring.

Detailed ways

Embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which the present invention belongs.

As shown in FIGS. 1-2 , an embodiment of the present invention provides a push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel-wheel cargo block, including an obliquely arranged cargo rack 10 , which is relatively installed on the left and right sides of the carrier A pair of main wheels 20 on the back side of the lower end of the object rack 10 , a cargo stopper 30 installed on the front side of the lower end of the object rack 10 , and the back side of the object rack 10 is further provided with a prop that can be stretched to support the object rack 10 The lower or retracted outrigger assembly 40 is provided with a first universal wheel 41 at the bottom of the outrigger assembly 40 .

When in use, the goods are placed on the inclined carrier 10, and the cargo block 30 blocks the lower end of the goods. In this application, the outriggers can be stowed, and the carrier 10 can be held to pull the goods, which can easily go over the steps and climb the stairs. When the load on the carrier 10 is heavy, it will be very heavy to carry the carrier 10 to pull the goods. When driving on a flat road, the application can also unfold the outriggers, and the main wheel 20 and the first universal wheel 41 are on the ground. Sliding, just forward or backward force, you can easily push and pull away, without the need to force the carrier 10 to lift up, therefore, the present invention can be used as a small cart, and can be used as a small pull cart. Flexible and convenient.

As a specific embodiment, referring to FIG. 1 , the outrigger assembly 40 includes a bottom frame 42 , a sliding frame 43 and a supporting frame 44 , one end of the bottom frame 42 is rotatably connected to the lower end of the carrier 10 , and the sliding frame 43 is installed longitudinally slidably On the bottom frame 42, the support frame 44 is supported between the carrier 10 and the sliding frame 43, and the two ends of the supporting frame 44 are hinged to the carrier 10 and the sliding frame 43, respectively, using the structure of the above-mentioned leg assembly 40, Pull the sliding frame 43 to the free end of the base frame 42 and rotate the base frame 42 downwards, the outrigger assembly 40 can be unfolded, push the sliding frame 43 to the hinged end of the base frame 42 and rotate the base frame 42 upwards, then the support can be retracted The leg assembly 40 is convenient and reliable to unfold and retract.

Preferably, the bottom frame 42 includes a first connecting section 421 hinged to the lower end of the carrier 10 and a first telescopic section 422 longitudinally telescopically connected with the first connecting section 421 , and the sliding frame 43 is slidably installed on the first telescopic section 422 . When used as a trolley, the inclination of the carrier 10 can be adjusted by extending and retracting the first connecting section 421 and the first telescopic section 422 to achieve the purpose of adjusting the height of the carrier 10 . Specifically, the first connecting section 421 has at least two first longitudinal beams 4211, the first telescopic section 422 has at least two second longitudinal beams 4221, and the first longitudinal beams 4211 and the second longitudinal beams 4221 are telescopically connected in one-to-one correspondence. , and the first longitudinal beam 4211 and the second longitudinal beam 4221 can be locked by pins passing through the holes on the first longitudinal beam 4211 and the second longitudinal beam 4221. Pull out the pin to unlock first, the sliding frame 43 includes a sliding sleeve 431 slidably sleeved on each second longitudinal beam 4221 and a connecting beam 432 fixedly installed on each sliding sleeve 431, and the support frame 44 includes at least two support rods 441, the upper end of each support rod 441 is hinged to the carrier 10, and the lower end of each support rod 441 is hinged to the connecting beam 432, the support leg assembly 40 of the above structure is stable and reliable.

As a further improvement of the above solution, a pair of wheel frames 21 are provided on the back side of the lower end of the carrier 10 opposite to the left and right. When it is necessary to climb stairs, the main wheel 20 can be replaced with a triangular stair climbing wheel (as shown in Figure 1), which can easily pull the push-pull cart up the stairs. The wheels are more comfortable and easy to pull, can easily deal with uneven roads, and have a stronger load capacity.

As a further improvement of the above solution, the cargo rack 10 includes a second connecting section 11 connected with the outrigger assembly 40 and the cargo block 30 and a second telescopic section 12 longitudinally telescopically connected with the second connecting section 11. The second telescopic section 12 has at least one telescopic section 121, through which the carrier 10 can be lengthened or shortened. The telescopic section 121 here can be set with one, two, or even multiple sections, which can be selected according to the actual length that needs to be stretched. , which is not specifically limited in this embodiment. When people use the trolley, they often encounter pulling high items. If the height of the goods exceeds the height of the carrier 10, the trolley cannot be used. At this time, the height of the carrier 10 can be lengthened, and When pulling lower items, the carrier 10 can be retracted to reduce the bulk of the cart.

Even if it is a longer multi-stage telescopic carrier 10, there will be a situation where items exceeding the length of the carrier 10 need to be pulled. At this time, the carrier 10 has nowhere to intervene. The bottom of each telescopic section 121 of the two telescopic sections 12 is provided with an auxiliary handle 13 , so that even if the object to be pulled is higher than the carrier 10 , the auxiliary handle 13 of the carrier 10 can be pushed and pulled.

As a further improvement of the above solution, a second universal wheel 31 is installed on the back of the cargo block 30. By setting the second universal wheel 31, the cargo rack 10 and the goods can be erected to enter and exit the elevator or turn in the corridor, even if pulled Larger objects can also pass smoothly when entering and exiting the elevator or in the narrow corners of the stairs.

When the cargo push-pull cart is not in use, the cargo block 30 generally needs to be folded up, and when the goods are pushed upright, the cargo block 10 may be pressed against the cargo block 30 . In order to solve the above problems, referring to FIG. 2 , the lower end of the cargo rack 10 is rotatably installed with a plurality of card seats 51 , the edge of the card seat 51 is provided with a card slot 511 , the connecting end of the cargo stopper 30 is fixed on the card seat 51 , and the cargo rack The lower end of the 10 is provided with a chute 52 corresponding to each card seat 51, and a locking rod 53 passes through each sliding groove 52. When the cargo stop 30 is rotated and unfolded, the card groove 511 on each card seat 51 is aligned with the corresponding sliding groove 52. The locking rod 53 is slid into the card slot 511 along the sliding groove 52 , and a spring 54 for pulling the locking rod 53 toward the card slot 511 is installed on the card seat 51 . When the cargo block 30 needs to be unfolded, it is necessary to first pull the lock lever 53 outward, then rotate the cargo block 30 until the chute 52 is aligned with the card slot 511, and then release the lock lever 53, and the lock lever 53 slides in under the action of the spring 54 and By being stuck in the card slot 511, the rotation locking between the cargo block 30 and the carrier 10 can be realized, so that when the goods are pushed upright, the carrier 10 will not be pressed against the cargo block 30, causing an accident. When the cargo block 30 is retracted, the lock lever 53 can be pulled out of the card slot 511 and the cargo block 30 can be rotated.

In addition, the cargo block 30 includes a third connecting section 32 connected to the lower end of the cargo rack 10 and a third telescopic section 33 longitudinally telescopically connected with the third connecting section 32 , the third connecting section 32 and the back of the third telescopic section 33 A second universal wheel 31 is installed on both. By adopting the telescopic cargo block 30, the cargo block 30 can be extended when pulling a large-volume object, and can be shortened when pulling a small-volume object, so as to meet different usage needs.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims (10)

1. A push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel-wheel cargo block, comprising an obliquely arranged carrier, a pair of main wheels mounted on the back of the lower end of the carrier relative to each other, The cargo block installed on the front side of the lower end of the cargo rack is characterized in that: the back side of the cargo rack is also provided with a supporting leg assembly that can be stretched to be supported under the cargo rack or stowed away, The bottom of the outrigger assembly is provided with a first universal wheel. 2. The push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 1, wherein the outrigger assembly comprises a bottom frame, a sliding frame and a support frame, and the bottom One end of the frame is rotatably connected to the lower end of the carrier, the sliding frame is longitudinally slidably installed on the bottom frame, the support frame is supported between the load frame and the sliding frame, and two parts of the support frame are mounted on the bottom frame. The ends are hinged to the carrier and the sliding frame, respectively. 3 . The push-pull cart with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 2 , wherein the bottom frame comprises a first connecting section hinged to the lower end of the cargo rack. 4 . and a first telescopic section longitudinally telescopically connected with the first connecting section, and the sliding frame is slidably mounted on the first telescopic section. 4. The push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 3, wherein the first connecting section has at least two first longitudinal beams, and the first connecting section has at least two first longitudinal beams. A telescopic section has at least two second longitudinal beams, the first longitudinal beams and the second longitudinal beams are telescopically connected in one-to-one correspondence, and the first longitudinal beams and the second longitudinal beams can pass through the first longitudinal beams and the second longitudinal beams. The pin shafts of the holes on the longitudinal beams are locked. The sliding frame includes a sliding sleeve that is slidably sleeved on each of the second longitudinal beams and a connecting beam that is fixedly installed on each of the sliding sleeves. The support frame includes There are at least two support rods, the upper end of each support rod is hinged to the carrier, and the lower end of each support rod is hinged to the connecting beam. 5 . The push-pull vehicle with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 1 , wherein a pair of wheel frames are oppositely arranged on the left and right sides of the back of the lower end of the cargo rack, Each of the main wheels is detachably mounted on the corresponding wheel frame. 6 . The push-pull cart with a swivel wheel outrigger structure and a telescopic swivel cargo block according to claim 1 , wherein the cargo rack comprises a trolley connected to the outrigger assembly and the cargo block. 7 . A second connecting section and a second telescopic section longitudinally telescopically connected with the second connecting section, the second telescopic section has at least one telescopic section. 7 . The push-pull cart with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 6 , wherein the bottom of each telescopic section of the second telescopic section is provided with an auxiliary handle. 8 . . 8 . The push-pull cart with a swivel wheel outrigger structure and a telescopic swivel cargo block according to claim 1 , wherein a second swivel wheel is installed on the back of the cargo block. 9 . 9 . The push-pull cart with a swivel wheel outrigger structure and a telescopic swivel wheel cargo block according to claim 8 , wherein the lower end of the cargo rack is rotatably installed with a plurality of card seats, the card seats The edge of the carrier is provided with a card slot, the connecting end of the cargo block is fixed on the card seat, the lower end of the cargo rack is provided with a chute corresponding to each of the card seats, and a lock rod passes through each of the sliders , when the cargo stop is rotated and unfolded, the card slot on each card seat is aligned with the corresponding chute, so that the lock rod slides into the card slot along the chute, and the card seat is installed with the lock rod to pull the lock rod toward the card Slotted spring. 10 . The push-pull cart having a swivel wheel outrigger structure and a telescopic swivel cargo block according to claim 8 , wherein the cargo block comprises a third connection connected to the lower end of the cargo rack. 11 . and the third telescopic section longitudinally telescopically connected with the third connecting section, the second universal wheel is installed on the backs of the third connecting section and the third telescopic section.

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